diff --git a/src/signals/incident-management/containers/IncidentDetail/components/DetailHeader/index.js b/src/signals/incident-management/containers/IncidentDetail/components/DetailHeader/index.js
index 72e6c75f1b..e9f62d8151 100644
--- a/src/signals/incident-management/containers/IncidentDetail/components/DetailHeader/index.js
+++ b/src/signals/incident-management/containers/IncidentDetail/components/DetailHeader/index.js
@@ -75,16 +75,13 @@ const DetailHeader = () => {
 
     return true
   }, [incident])
-
   const forwardToExternalIsAllowed = !isStatusClosed(incident.status?.state)
-  const thorIsAllowed = [
-    'm',
-    'i',
-    'b',
-    'h',
-    'send failed',
-    'reopened',
-  ].includes(incident.status?.state)
+  const thorIsAllowed =
+    ['m', 'i', 'b', 'h', 'send failed', 'reopened'].includes(
+      incident.status?.state
+    ) &&
+    incident.category?.main_slug !== 'overig' &&
+    incident.category?.sub_slug !== 'overig'
   const downloadLink = incident?._links?.['sia:pdf']?.href
 
   const referrer = location.referrer?.startsWith(MAP_URL)
diff --git a/src/signals/incident-management/containers/IncidentDetail/components/DetailHeader/index.test.js b/src/signals/incident-management/containers/IncidentDetail/components/DetailHeader/index.test.js
index 8b079dcfd1..7d7c3bd036 100644
--- a/src/signals/incident-management/containers/IncidentDetail/components/DetailHeader/index.test.js
+++ b/src/signals/incident-management/containers/IncidentDetail/components/DetailHeader/index.test.js
@@ -210,6 +210,21 @@ describe('signals/incident-management/containers/IncidentDetail/components/Detai
     expect(screen.queryByTestId('detail-header-button-thor')).toBeNull()
   })
 
+  it('should render no thor button category main and subslug are overig', () => {
+    render(
+      renderWithContext({
+        ...incidentFixture,
+        category: {
+          ...incidentFixture.category,
+          main_slug: 'overig',
+          sub_slug: 'overig',
+        },
+      })
+    )
+
+    expect(screen.queryByTestId('detail-header-button-thor')).toBeNull()
+  })
+
   it('test clicking the thor button', () => {
     render(renderWithContext())